1652199173641 has 9 divisors (see below), whose sum is σ = 1655211153063. Its totient is φ = 1649192672160.

The previous prime is 1652199173621. The next prime is 1652199173741. The reversal of 1652199173641 is 1463719912561.

The square root of 1652199173641 is 1285379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 289843333641 + 1362355840000 = 538371^2 + 1167200^2 .

It is not a de Polignac number, because 1652199173641 - 2⁵ = 1652199173609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652199173621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1132418170 + ... + 1132419628.

Almost surely, 2^{1652199173641} is an apocalyptic number.

1652199173641 is the 1285379-th square number.

1652199173641 is the 642690-th centered octagonal number.

It is an amenable number.

1652199173641 is a deficient number, since it is larger than the sum of its proper divisors (3011979422).

1652199173641 is an frugal number, since it uses more digits than its factorization.

1652199173641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680 (or 2340 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The spelling of 1652199173641 in words is "one trillion, six hundred fifty-two billion, one hundred ninety-nine million, one hundred seventy-three thousand, six hundred forty-one".